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Tutorial III: Thermal Radiation

Thermal and Thermodynamic Equilibrium Thermal radiation is radiation emitted by matter in thermal equilibrium. There is a great deal of confusion when discussing thermal equilibrium since it is often used as a synonym for thermodynamic equilibrium. However, these two concepts… Continue Reading →

Tutorial: Radiative Transfer II

This second tutorial on radiative transfer is the follow-up to tutorial I. Let me repeat that sometimes you will find some collapsable/expandable paragraphs marked in blue (questions) or orange (quiz). These are quick tests to check your knowledge as you… Continue Reading →

Tutorial: Radiative Transfer I

This tutorial is meant to complement the first lecture of the course High Energy Astrophysics. Here you can practice your knowledge of the topic after completing Lecture 1. Sometimes you will find some collapsable/expandable paragraphs marked in blue (questions) or… Continue Reading →

New Millisecond Pulsar Catalog

A new version of the millisecond pulsar catalog has been published. This page has not been updated for a while, but now it should be updated every few weeks. As usual, if you spot a mistake, please let me know…. Continue Reading →

The Human Computer: Katherine Johnson’s Story

The story of the African-American mathematician Katherine Johnson is one of a kind that must be told. She was born in the United States in 1918, a time marked by racial segregation and inequality. An exceptional mathematician, graduating from college… Continue Reading →

Astronomy with Social Impact: Discover the Solar System

A few months ago I decided to begin a new adventure together with some friends that share with me the belief that knowledge is humanity’s most important resource. We created a small publishing start-up, called Quaternion, whose mission is to… Continue Reading →

Life on Venus: Media Hype or Serious Possibility?

On September 14, 2020, a new paper appeared in the prestigious peer-reviewed journal Nature Astronomy. The paper has had quite a big media coverage because the topic is among the most interesting we can think of: the presence of life… Continue Reading →

The New Solar System

This blog has been silent for a long time due to personal reasons and in the meanwhile many things have changed. I am in the process of updating the website and writing about my new affiliation and my new research… Continue Reading →

Press Release: The Habitable Zone around Pulsars

A press release on our paper just published on Astronomy & Astrophysics on the pulsar habitable zone: http://www.astronomie.nl/#!/index/_detail/gli/habitable-pulsar-planets-theoretically-possible/   Share on FacebookTweetFollow usSave

Press Release: Black Hole Pretenders May Be Superfast-Spinning Pulsars

Press release on the Scientific American about our recent paper (led by Slavko Bogdaonov from Columbia University) on a transitional millisecond pulsar who behaves as a black hole impostor. https://www.scientificamerican.com/article/black-hole-pretenders-may-be-superfast-spinning-pulsars/ Share on FacebookTweetFollow usSave

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